Finding the Fourth Proportional to 369,665,572,112.10, 510,138,102,614.35 and 207,086,362,437.70
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Solution
The fourth proportional to 369,665,572,112.10, 510,138,102,614.35 and 207,086,362,437.70 is: 285,778,963,422.76
Step by Step Solution
- Step 1: Write the proportion equation
369,665,572,112.10 : 510,138,102,614.35 = 207,086,362,437.70 : x - Step 2: Convert to fraction form
369,665,572,112.10/510,138,102,614.35 = 207,086,362,437.70/x - Step 3: Cross multiply
369,665,572,112.10x = 510,138,102,614.35 × 207,086,362,437.70 - Step 4: Simplify right side
369,665,572,112.10x = 105,642,644,011,275,887,050,752 - Step 5: Solve for x
x = 105,642,644,011,275,887,050,752/369,665,572,112.10 - Step 6: Final answer
x = 285,778,963,422.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.